On the eigenvalues of a 2 × 2 block operator matrix
A 2 × 2 block operator matrix H acting in the direct sum of one- and two-particle subspaces of a Fock space is considered. The existence of infinitely many negative eigenvalues of H22 (the second diagonal entry of H) is proved for the case where both of the associated Friedrichs models have a zero e...
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| Main Authors: | , |
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| Format: | Article |
| Published: |
AGH University of Science and Technology
2015
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/58683/ http://dx.doi.org/10.7494/OpMath.2015.35.3.371 |
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| Institution: | Universiti Teknologi Malaysia |